Journal of Computational and Nonlinear Dynamics: Recent submissions
Now showing items 681-700 of 1786
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Output Feedback Fractional Integral Sliding Mode Control of Robotic Manipulators
(The American Society of Mechanical Engineers (ASME), 2019)The dynamic model of a robotic system is prone to parametric and structural uncertainties, as well as dynamic disturbances, such as dissipative forces, input noise and vibrations, to name a few. In addition, it is conventional ... -
Stabilization Conditions for a Class of Fractional-Order Nonlinear Systems
(The American Society of Mechanical Engineers (ASME), 2019)The stabilization problem of fractional-order nonlinear systems for 0<α<1 is studied in this paper. Based on Mittag-Leffler function and the Lyapunov stability theorem, two practical stability conditions that ensure ... -
Calibration of an Articulated Vehicle Model and Analysis of Friction Model in the Connection Between Two Vehicle Units
(The American Society of Mechanical Engineers (ASME), 2019)This paper describes models of dynamics for articulated vehicles (tractor with a semitrailer and a tractor with a trailer). The models are obtained by using joint coordinates and homogenous transformations. Yawing velocities ... -
An Adaptive Multiscaling Approach for Reducing Computation Time in Simulations of Articulated Biopolymers
(The American Society of Mechanical Engineers (ASME), 2019)Microscale dynamic simulations can require significant computational resources to generate desired time evolutions. Microscale phenomena are often driven by even smaller scale dynamics, requiring multiscale system definitions ... -
Model-Form and Parameter Uncertainty Quantification in Structural Vibration Simulation Using Fractional Derivatives
(The American Society of Mechanical Engineers (ASME), 2019)Extensive research has been devoted to engineering analysis in the presence of only parameter uncertainty. However, in modeling process, model-form uncertainty arises inevitably due to the lack of information and knowledge, ... -
Multiple Limit Cycles Shimmy of the Dual-Front Axle Steering Heavy Truck Based on Bisectional Road
(The American Society of Mechanical Engineers (ASME), 2019)The shimmy problem causes considerable harm to vehicles and is difficult to solve, especially multiple limit cycle shimmy. Moreover, the dynamic behavior of the multiple limit cycle shimmy of vehicles based on a bisectional ... -
Dynamic Modeling and Response Analysis of a Planar Rigid-Body Mechanism With Clearance
(The American Society of Mechanical Engineers (ASME), 2019)In order to understand dynamic responses of planar rigid-body mechanism with clearance, the dynamic model of the mechanism with revolute clearance is proposed and the dynamic analysis is realized. First, the kinematic model ... -
Nonlinear Response of an Inextensible, Cantilevered Beam Subjected to a Nonconservative Follower Force
(The American Society of Mechanical Engineers (ASME), 2019)The dynamic stability of a cantilevered beam actuated by a nonconservative follower force has previously been studied for its interesting dynamical properties and its applications to engineering designs such as thrusters. ... -
Cross Wind Effects on Vehicle–Track Interactions: A Methodology for Dynamic Model Construction
(The American Society of Mechanical Engineers (ASME), 2019)An efficient and accurate model for the dynamic assessment of vehicle-track behavior subjected to cross wind actions is developed in this paper, where the wind–vehicle–track interaction is regarded as a coupled vibration ... -
A New Finite Time Control Solution for Robotic Manipulators Based on Nonsingular Fast Terminal Sliding Variables and the Adaptive Super-Twisting Scheme
(The American Society of Mechanical Engineers (ASME), 2019)In this study, a new finite time control method is suggested for robotic manipulators based on nonsingular fast terminal sliding variables and the adaptive super-twisting method. First, to avoid the singularity drawback ... -
Influence of Piezoelectric Energy Transfer on the Interwell Oscillations of Multistable Vibration Energy Harvesters
(The American Society of Mechanical Engineers (ASME), 2019)This manuscript investigates the effect of nonconservative electromechanical energy transfer on the onset of interwell motions in multistable piezoelectric energy harvesters. Multistable piezoelectric energy harvesters ... -
Uncertainty Considerations for Nonlinear Dynamics of a Class of MEMS Switches Undergoing Tip Contact Bouncing
(The American Society of Mechanical Engineers (ASME), 2019)Batch fabrication processes used to produce micro-electro-mechanical systems (MEMS) are prone to uncertainties in the system geometrical and contact parameters as well as material properties. However, since the common ... -
Radial Basis Functions Update of Digital Models on Actual Manufactured Shapes
(The American Society of Mechanical Engineers (ASME), 2019)In the mechanical engineering world, there is a growing interest in being able to create so-called “digital twins” to assess the impact to performance or response. Part of the challenge is to be able to include and assess ... -
Framework of Reliability-Based Stochastic Mobility Map for Next Generation NATO Reference Mobility Model
(The American Society of Mechanical Engineers (ASME), 2019)A framework for generation of reliability-based stochastic off-road mobility maps is developed to support the next generation NATO reference mobility model (NG-NRMM) using full stochastic knowledge of terrain properties ... -
Uncertainty Quantification Using Generalized Polynomial Chaos Expansion for Nonlinear Dynamical Systems With Mixed State and Parameter Uncertainties
(The American Society of Mechanical Engineers (ASME), 2019)This paper develops a framework for propagation of uncertainties, governed by different probability distribution functions in a stochastic dynamical system. More specifically, it deals with nonlinear dynamical systems, ... -
Generalized Polynomial Chaos With Optimized Quadrature Applied to a Turbulent Boundary Layer Forced Plate
(The American Society of Mechanical Engineers (ASME), 2019)We explore the use of generalized polynomial chaos (GPC) expansion with stochastic collocation (SC) for modeling the uncertainty in the noise radiated by a plate subject to turbulent boundary layer (TBL) forcing. The SC ... -
Discrepancy Prediction in Dynamical System Models Under Untested Input Histories
(The American Society of Mechanical Engineers (ASME), 2019)This paper presents a probabilistic framework for discrepancy prediction in dynamical system models under untested input time histories, based on information gained from validation experiments. Two surrogate modeling-based ... -
Multiple Dynamic Response Patterns of Flexible Multibody Systems With Random Uncertain Parameters
(The American Society of Mechanical Engineers (ASME), 2019)The mechanisms with uncertain parameters may exhibit multiple dynamic response patterns. As a single surrogate model can hardly describe all the dynamic response patterns of mechanism dynamics, a new computation methodology ... -
Topology Optimization of Dynamic Systems Under Uncertain Loads: An H∞-Norm-Based Approach
(The American Society of Mechanical Engineers (ASME), 2019)An innovative approach to topology optimization of dynamic system is introduced that is based on the system transfer-function H∞-norm. As for the structure, the proposed strategy allows to determine the optimal material ... -
Topology Optimization Under Stress Relaxation Effect Using Internal Element Connectivity Parameterization
(The American Society of Mechanical Engineers (ASME), 2019)The creep phenomenon has enormous effect on the stress and displacement distribution in the structures. Redistribution of the stress field is one of these effects which is called stress relaxation. The importance of stress ...